一年级数学20以内破十法减法练习题

20以内破十法减法练习题

18 — 9 = 17

15 — 9 = 14

12 — 9 = 11

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— 9 = 16 — 9 = — 9 = 13 — 9 = — 9 = 17 — 8 = .

16 — 8 = 15 — 8 = 14 — 8 =

13 — 8 = 12

16 — 7 = 15

13 — 7 = 12 .

— 8 = 11 — 7 = 14 — 7 = 11 — 8 = — 7 = — 7 = .

15 — 6 = 14 — 6 = 13 — 6 =

12 — 6 = 11

13 — 5 = 12

13 — 4 = 12 .

— 6 = 14 — 5 = 11 — 4 = 11 — 5 = — 5 = — 4 =

12 — 3 = 11

13 — 5 = 12

13 — 4 = 12

.

.

— 3 = 11 — 5 = 11 — 4 = 11 — 2 = — 5 = — 4 = .

16 — 7 = 15 — 7 = 14 — 7 =

18 — 9 = 17

15 — 9 = 14

13 — 7 = 12 .

— 9 = 16 — 9 = 13 — 7 = 11 — 9 = — 9 = — 7 = .

12 — 9 = 11 — 9 = 17 — 8 =

16 — 8 = 15

13 — 4 = 12

.

— 8 = 14 — 4 = 11 — 8 = — 4 = .

12 — 3 = 11 — 3 = 11 — 2 =

13 — 5 = 12

13 — 8 = 12

16 — 7 = 15 .

— 5 = 11 — 8 = 11 — 7 = 14 — 5 = — 8 = — 7 = .

12 — 6 = 11 — 6 = 14 — 5 =

15 — 9 = 14

13 — 4 = 12

.

— 9 = 13 — 4 = 11 — 9 = — 4 = .

12 — 3 = 11 — 3 = 11 — 2 =

13 — 5 = 12

13 — 8 = 12

16 — 7 = 15 .

— 5 = 11 — 8 = 11 — 7 = 14 — 5 = — 8 = — 7 = .

12 — 6 = 11 — 6 = 14 — 5 =

15 — 9 = 14

13 — 4 = 12

.

— 9 = 13 — 4 = 11 — 9 = — 4 = .

16 — 7 = 15 — 7 = 14 — 7 =

18 — 9 = 17

15 — 9 = 14

13 — 7 = 12 .

— 9 = 16 — 9 = 13 — 7 = 11 — 9 = — 9 = — 7 = .

12 — 9 = 11 — 9 = 17 — 8 =

16 — 8 = 15

13 — 4 = 12

.

— 8 = 14 — 4 = 11 — 8 = — 4 = .

16 — 7 = 15 — 7 = 14 — 7 =

18 — 9 = 17

15 — 9 = 14

13 — 7 = 12 .

— 9 = 16 — 9 = 13 — 7 = 11 — 9 = — 9 = — 7 = .

12 — 9 = 11 — 9 = 17 — 8 =

16 — 8 = 15

13 — 4 = 12

.

— 8 = 14 — 4 = 11 — 8 = — 4 = .

12 — 3 = 11 — 3 = 11 — 2 =

13 — 5 = 12

13 — 8 = 12

16 — 7 = 15 .

— 5 = 11 — 8 = 11 — 7 = 14 — 5 = — 8 = — 7 = .

12 — 6 = 11 — 6 = 14 — 5 =

15 — 9 = 14

13 — 4 = 12

.

— 9 = 13 — 4 = 11 — 9 = — 4 = .

12 — 3 = 11 — 3 = 11 — 2 =

13 — 5 = 12

13 — 8 = 12

16 — 7 = 15 .

— 5 = 11 — 8 = 11 — 7 = 14 — 5 = — 8 = — 7 = .

12 — 6 = 11 — 6 = 14 — 5 =

15 — 9 = 14

13 — 4 = 12

.

— 9 = 13 — 4 = 11 — 9 = — 4 =